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CN-224221962-U - American pennisetum seed classified screening device

CN224221962UCN 224221962 UCN224221962 UCN 224221962UCN-224221962-U

Abstract

The utility model relates to the technical field of seed screening, and discloses a American pennisetum seed classifying and screening device, which comprises a screening machine, wherein a screening box is movably arranged at the top of the screening machine, a classifying and screening mechanism and a segmented conveying mechanism are further arranged in the screening box, unfiltered seeds are conveniently guided into a guide cylinder through a feeding groove through a connecting plate and a discharging channel, a motor is matched with the guide cylinder, the auger is conveniently rotated clockwise, the auger can conveniently drive the unfiltered seeds to be conveyed upwards, meanwhile, a third screening plate is matched, the segmented conveying and guiding of the seeds are conveniently carried out, the filtered seeds are enabled to directly fall on a second screening plate through the third screening plate to be screened for the second time, the filtered seeds are enabled to directly fall into the screening box from the second screening plate, and the filtered seeds are discharged from a first discharging plate through the guiding of the second screening plate, so that the seeds are sufficiently screened, and the screening effect is better.

Inventors

  • LIU YANAN
  • JI YANG
  • Tian Haoqi
  • LIANG XIAOYU
  • HU YUANBIN
  • ZHANG JING

Assignees

  • 四川省畜牧科学研究院

Dates

Publication Date
20260512
Application Date
20250605

Claims (6)

  1. 1. The American pennisetum seed classifying and screening device comprises a screening machine (1), wherein a screening box (2) is arranged at the top of the screening machine (1) in a movable mode, and is characterized by further comprising a classifying and screening mechanism and a segmented conveying mechanism, wherein the classifying and screening mechanism is arranged inside the screening box (2), a guide piece is arranged on the classifying and screening mechanism, the segmented conveying mechanism is rotatably arranged inside the screening box (2), the segmented conveying mechanism is positioned on one side of the classifying and screening mechanism, the classifying and screening mechanism is communicated with the segmented conveying mechanism through the guide piece, the screening piece is arranged at the bottom of the segmented conveying mechanism, the segmented conveying mechanism is communicated with the bottom of the classifying and screening mechanism through the screening piece, a starting piece is arranged at the top of the screening box (2), and the output end of the starting piece penetrates through the inner wall of the screening box (2) and is fixedly connected with one end of the segmented conveying mechanism.
  2. 2. The American pennisetum seed classifying screen device according to claim 1, wherein the classifying screen mechanism comprises a first screening plate (3) and a second screening plate (6), the outer wall of the first screening plate (3) is fixedly connected with the inner wall of the screening box (2), a space is reserved between one side of the first screening plate (3) and one side of the inner wall of the screening box (2), the second screening plate (6) is fixedly connected to one side of the inner wall of the screening box (2) close to the lower part of the first screening plate (3), the width of the first screening plate (3) is smaller than that of the second screening plate (6), a first discharging plate (14) communicated with the second screening plate (6) is fixedly connected to one side of the screening box (2), and a second discharging plate (15) communicated with the inner part of the screening box (2) is fixedly connected to the bottom of the screening box (2).
  3. 3. The American pennisetum seed classifying screen device according to claim 2, wherein the guide piece comprises a connecting plate (4), a supporting plate (5), a feeding channel (7) and a discharging channel (16), the supporting plate (5) is fixedly connected inside the screening box (2), one side of the supporting plate (5) is fixedly connected with one side of the first screening plate (3), the bottom end of the supporting plate (5) is fixedly connected with the top end of the second screening plate (6), the discharging channel (16) is arranged at the bottom of the supporting plate (5), and the feeding channel (7) is arranged at the top of the supporting plate (5).
  4. 4. The American pennisetum seed classifying and screening device according to claim 1, wherein the segmented conveying mechanism comprises a packing auger (12), a guide cylinder (9) is fixedly connected inside the screening box (2), the guide cylinder (9) is positioned in a cavity formed between the front side of a guide piece and the inner wall of the screening box (2), a feeding groove (10) is formed in the bottom of the outer wall of the guide cylinder (9), a discharging groove (11) is formed in the top of the outer wall of the guide cylinder (9), the packing auger (12) is rotatably connected inside the guide cylinder (9), the outer wall of the packing auger (12) is not contacted with the inner wall of the guide cylinder (9), and an installation groove (17) for communicating the inside is formed in the bottom of the guide cylinder (9).
  5. 5. The American pennisetum seed classifying screen device according to claim 4, wherein the screening piece comprises a third screening plate (13), and the outer wall of the third screening plate (13) is fixedly connected with the mounting groove (17).
  6. 6. The American pennisetum seed classifying and screening device according to claim 4, wherein the starting piece comprises a motor (8), the motor (8) is arranged at the top of the screening box (2), and the output end of the motor (8) penetrates through the inner wall of the screening box (2) and the inner wall of the guide cylinder (9) and is fixedly connected with one end of the auger (12).

Description

American pennisetum seed classified screening device Technical Field The utility model relates to the technical field of seed screening, in particular to a American pennisetum seed classifying and screening device. Background The pennisetum is a perennial grass pennisetum plant, the fibrous roots are thicker, the stalks are upright, clusters are formed, soft hairs are densely grown under inflorescences, leaf sheaths are smooth, two sides are flattened, the upper part of the stalks is longer than internodes, leaf tongues have cilia with length of about 2.5 mm, the leaf tongues are linear, the front ends of the leaf tongues are tapered, wart hairs are grown on the base parts, the cone inflorescences are upright, after seeds are collected by workers, the workers need to carry out screening treatment on the seeds, and a seed grading screening machine is needed. The Chinese patent with the bulletin number of CN209406835U discloses a seed classifying screening device, through setting up fixed block, first lead screw, L-shaped plate, button and square, has solved present common seed classifying screening device and has been the sieve separator, all need carry out the dismouting to the gyro wheel when using the sieve separator at every turn, leads to the sieve separator to use comparatively inconvenient problem. But this patent is when screening the seed, owing to receive the extrusion when pouring a large amount of seeds into screening box inside between the seed, and the fractional seed is owing to receive the extrusion and not carry out the filtration, owing to lack the mechanism that carries out secondary filtration to the seed, leads to unfiltered seed and the direct export of seed that filters out in the first screening board to this causes the not good phenomenon of seed screening effect. Disclosure of utility model In order to overcome the defects in the prior art, the utility model provides a American pennisetum seed classifying and screening device, which solves the problem that in the prior art, due to the lack of a mechanism for carrying out secondary filtration on seeds, unfiltered seeds and filtered seeds are directly led out from a first screening plate, so that the seed screening effect is poor. The utility model provides a American pennisetum seed classifying and screening device which comprises a screening machine, wherein a screening box is movably arranged at the top of the screening machine, the American pennisetum seed classifying and screening device further comprises a classifying and screening mechanism and a segmented conveying mechanism, the classifying and screening mechanism is arranged in the screening box, a guide piece is arranged on the classifying and screening mechanism, the segmented conveying mechanism is rotatably arranged in the screening box, the segmented conveying mechanism is positioned at one side of the classifying and screening mechanism and is communicated with the segmented conveying mechanism through the guide piece, a screening piece is arranged at the bottom of the segmented conveying mechanism, the segmented conveying mechanism is communicated with the bottom of the classifying and screening mechanism through the screening piece, a starting piece is arranged at the top of the screening box, and the output end of the starting piece penetrates through the inner wall of the screening box and is fixedly connected with one end of the segmented conveying mechanism. Further, hierarchical screening mechanism includes first screening board and second screening board, first screening board outer wall fixed connection and screening incasement wall, and first screening board one side leaves the interval with screening incasement wall one side, and screening incasement wall is close to first screening board below fixedly connected with second screening board, and first screening board width is less than the width of second screening board, screening case one side fixedly connected with communicates the first flitch of second screening board, screening case bottom fixedly connected with communicates the inside second flitch of screening case. Further, the guide piece includes connecting plate, backup pad, feed channel and discharge channel, backup pad fixed connection is inside the screening case, and backup pad one side and first screening board one side fixed connection, backup pad bottom and second screening board top fixed connection, the backup pad bottom is provided with discharge channel, and the backup pad top is provided with feed channel. Further, segmentation conveying mechanism includes the auger, the inside fixedly connected with guide cylinder of screening case, and the guide cylinder is arranged in the cavity that forms between guide piece front side and the screening incasement wall, the feed chute has been seted up to guide cylinder outer wall bottom, and the blown down tank has been seted up at guide cylinder outer wall top, the auger rotates to be connected i